drivers/net/wireless/rt2x00/rt2500usb.c

   1 /*
   2         Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
   3         <http://rt2x00.serialmonkey.com>
   4
   5         This program is free software; you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation; either version 2 of the License, or
   8         (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program; if not, write to the
  17         Free Software Foundation, Inc.,
  18         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22         Module: rt2500usb
  23         Abstract: rt2500usb device specific routines.
  24         Supported chipsets: RT2570.
  25  */
  26
  27 #include <linux/delay.h>
  28 #include <linux/etherdevice.h>
  29 #include <linux/init.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/usb.h>
  33
  34 #include "rt2x00.h"
  35 #include "rt2x00usb.h"
  36 #include "rt2500usb.h"
  37
  38 /*
  39  * Register access.
  40  * All access to the CSR registers will go through the methods
  41  * rt2500usb_register_read and rt2500usb_register_write.
  42  * BBP and RF register require indirect register access,
  43  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  44  * These indirect registers work with busy bits,
  45  * and we will try maximal REGISTER_BUSY_COUNT times to access
  46  * the register while taking a REGISTER_BUSY_DELAY us delay
  47  * between each attampt. When the busy bit is still set at that time,
  48  * the access attempt is considered to have failed,
  49  * and we will print an error.
  50  * If the usb_cache_mutex is already held then the _lock variants must
  51  * be used instead.
  52  */
  53 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
  54                                            const unsigned int offset,
  55                                            u16 *value)
  56 {
  57         __le16 reg;
  58         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  59                                       USB_VENDOR_REQUEST_IN, offset,
  60                                       &reg, sizeof(u16), REGISTER_TIMEOUT);
  61         *value = le16_to_cpu(reg);
  62 }
  63
  64 static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
  65                                                 const unsigned int offset,
  66                                                 u16 *value)
  67 {
  68         __le16 reg;
  69         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
  70                                        USB_VENDOR_REQUEST_IN, offset,
  71                                        &reg, sizeof(u16), REGISTER_TIMEOUT);
  72         *value = le16_to_cpu(reg);
  73 }
  74
  75 static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
  76                                                 const unsigned int offset,
  77                                                 void *value, const u16 length)
  78 {
  79         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  80                                       USB_VENDOR_REQUEST_IN, offset,
  81                                       value, length,
  82                                       REGISTER_TIMEOUT16(length));
  83 }
  84
  85 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
  86                                             const unsigned int offset,
  87                                             u16 value)
  88 {
  89         __le16 reg = cpu_to_le16(value);
  90         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
  91                                       USB_VENDOR_REQUEST_OUT, offset,
  92                                       &reg, sizeof(u16), REGISTER_TIMEOUT);
  93 }
  94
  95 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
  96                                                  const unsigned int offset,
  97                                                  u16 value)
  98 {
  99         __le16 reg = cpu_to_le16(value);
 100         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
 101                                        USB_VENDOR_REQUEST_OUT, offset,
 102                                        &reg, sizeof(u16), REGISTER_TIMEOUT);
 103 }
 104
 105 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 106                                                  const unsigned int offset,
 107                                                  void *value, const u16 length)
 108 {
 109         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
 110                                       USB_VENDOR_REQUEST_OUT, offset,
 111                                       value, length,
 112                                       REGISTER_TIMEOUT16(length));
 113 }
 114
 115 static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev)
 116 {
 117         u16 reg;
 118         unsigned int i;
 119
 120         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 121                 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR8, &reg);
 122                 if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 123                         break;
 124                 udelay(REGISTER_BUSY_DELAY);
 125         }
 126
 127         return reg;
 128 }
 129
 130 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 131                                 const unsigned int word, const u8 value)
 132 {
 133         u16 reg;
 134
 135         mutex_lock(&rt2x00dev->usb_cache_mutex);
 136
 137         /*
 138          * Wait until the BBP becomes ready.
 139          */
 140         reg = rt2500usb_bbp_check(rt2x00dev);
 141         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 142                 goto exit_fail;
 143
 144         /*
 145          * Write the data into the BBP.
 146          */
 147         reg = 0;
 148         rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
 149         rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 150         rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
 151
 152         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 153
 154         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 155
 156         return;
 157
 158 exit_fail:
 159         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 160
 161         ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
 162 }
 163
 164 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 165                                const unsigned int word, u8 *value)
 166 {
 167         u16 reg;
 168
 169         mutex_lock(&rt2x00dev->usb_cache_mutex);
 170
 171         /*
 172          * Wait until the BBP becomes ready.
 173          */
 174         reg = rt2500usb_bbp_check(rt2x00dev);
 175         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 176                 goto exit_fail;
 177
 178         /*
 179          * Write the request into the BBP.
 180          */
 181         reg = 0;
 182         rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 183         rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
 184
 185         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 186
 187         /*
 188          * Wait until the BBP becomes ready.
 189          */
 190         reg = rt2500usb_bbp_check(rt2x00dev);
 191         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 192                 goto exit_fail;
 193
 194         rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
 195         *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
 196
 197         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 198
 199         return;
 200
 201 exit_fail:
 202         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 203
 204         ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
 205         *value = 0xff;
 206 }
 207
 208 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
 209                                const unsigned int word, const u32 value)
 210 {
 211         u16 reg;
 212         unsigned int i;
 213
 214         if (!word)
 215                 return;
 216
 217         mutex_lock(&rt2x00dev->usb_cache_mutex);
 218
 219         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 220                 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, &reg);
 221                 if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY))
 222                         goto rf_write;
 223                 udelay(REGISTER_BUSY_DELAY);
 224         }
 225
 226         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 227         ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
 228         return;
 229
 230 rf_write:
 231         reg = 0;
 232         rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
 233         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
 234
 235         reg = 0;
 236         rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
 237         rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
 238         rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
 239         rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
 240
 241         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
 242         rt2x00_rf_write(rt2x00dev, word, value);
 243
 244         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 245 }
 246
 247 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 248 #define CSR_OFFSET(__word)      ( CSR_REG_BASE + ((__word) * sizeof(u16)) )
 249
 250 static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev,
 251                                const unsigned int word, u32 *data)
 252 {
 253         rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data);
 254 }
 255
 256 static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev,
 257                                 const unsigned int word, u32 data)
 258 {
 259         rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
 260 }
 261
 262 static const struct rt2x00debug rt2500usb_rt2x00debug = {
 263         .owner  = THIS_MODULE,
 264         .csr    = {
 265                 .read           = rt2500usb_read_csr,
 266                 .write          = rt2500usb_write_csr,
 267                 .word_size      = sizeof(u16),
 268                 .word_count     = CSR_REG_SIZE / sizeof(u16),
 269         },
 270         .eeprom = {
 271                 .read           = rt2x00_eeprom_read,
 272                 .write          = rt2x00_eeprom_write,
 273                 .word_size      = sizeof(u16),
 274                 .word_count     = EEPROM_SIZE / sizeof(u16),
 275         },
 276         .bbp    = {
 277                 .read           = rt2500usb_bbp_read,
 278                 .write          = rt2500usb_bbp_write,
 279                 .word_size      = sizeof(u8),
 280                 .word_count     = BBP_SIZE / sizeof(u8),
 281         },
 282         .rf     = {
 283                 .read           = rt2x00_rf_read,
 284                 .write          = rt2500usb_rf_write,
 285                 .word_size      = sizeof(u32),
 286                 .word_count     = RF_SIZE / sizeof(u32),
 287         },
 288 };
 289 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 290
 291 #ifdef CONFIG_RT2500USB_LEDS
 292 static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
 293                                      enum led_brightness brightness)
 294 {
 295         struct rt2x00_led *led =
 296             container_of(led_cdev, struct rt2x00_led, led_dev);
 297         unsigned int enabled = brightness != LED_OFF;
 298         u16 reg;
 299
 300         rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, &reg);
 301
 302         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
 303                 rt2x00_set_field16(&reg, MAC_CSR20_LINK, enabled);
 304         else if (led->type == LED_TYPE_ACTIVITY)
 305                 rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, enabled);
 306
 307         rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg);
 308 }
 309
 310 static int rt2500usb_blink_set(struct led_classdev *led_cdev,
 311                                unsigned long *delay_on,
 312                                unsigned long *delay_off)
 313 {
 314         struct rt2x00_led *led =
 315             container_of(led_cdev, struct rt2x00_led, led_dev);
 316         u16 reg;
 317
 318         rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, &reg);
 319         rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, *delay_on);
 320         rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, *delay_off);
 321         rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
 322
 323         return 0;
 324 }
 325
 326 static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
 327                                struct rt2x00_led *led,
 328                                enum led_type type)
 329 {
 330         led->rt2x00dev = rt2x00dev;
 331         led->type = type;
 332         led->led_dev.brightness_set = rt2500usb_brightness_set;
 333         led->led_dev.blink_set = rt2500usb_blink_set;
 334         led->flags = LED_INITIALIZED;
 335 }
 336 #endif /* CONFIG_RT2500USB_LEDS */
 337
 338 /*
 339  * Configuration handlers.
 340  */
 341 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
 342                                     const unsigned int filter_flags)
 343 {
 344         u16 reg;
 345
 346         /*
 347          * Start configuration steps.
 348          * Note that the version error will always be dropped
 349          * and broadcast frames will always be accepted since
 350          * there is no filter for it at this time.
 351          */
 352         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 353         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
 354                            !(filter_flags & FIF_FCSFAIL));
 355         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
 356                            !(filter_flags & FIF_PLCPFAIL));
 357         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
 358                            !(filter_flags & FIF_CONTROL));
 359         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
 360                            !(filter_flags & FIF_PROMISC_IN_BSS));
 361         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
 362                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 363                            !rt2x00dev->intf_ap_count);
 364         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
 365         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
 366                            !(filter_flags & FIF_ALLMULTI));
 367         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
 368         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 369 }
 370
 371 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 372                                   struct rt2x00_intf *intf,
 373                                   struct rt2x00intf_conf *conf,
 374                                   const unsigned int flags)
 375 {
 376         unsigned int bcn_preload;
 377         u16 reg;
 378
 379         if (flags & CONFIG_UPDATE_TYPE) {
 380                 /*
 381                  * Enable beacon config
 382                  */
 383                 bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
 384                 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 385                 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 386                 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
 387                                    2 * (conf->type != IEEE80211_IF_TYPE_STA));
 388                 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 389
 390                 /*
 391                  * Enable synchronisation.
 392                  */
 393                 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 394                 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
 395                 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 396
 397                 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 398                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
 399                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
 400                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
 401                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 402         }
 403
 404         if (flags & CONFIG_UPDATE_MAC)
 405                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
 406                                               (3 * sizeof(__le16)));
 407
 408         if (flags & CONFIG_UPDATE_BSSID)
 409                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
 410                                               (3 * sizeof(__le16)));
 411 }
 412
 413 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
 414                                  struct rt2x00lib_erp *erp)
 415 {
 416         u16 reg;
 417
 418         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 419         rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, erp->ack_timeout);
 420         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 421
 422         rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
 423         rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 424                            !!erp->short_preamble);
 425         rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
 426 }
 427
 428 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
 429                                      const int basic_rate_mask)
 430 {
 431         rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
 432 }
 433
 434 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
 435                                      struct rf_channel *rf, const int txpower)
 436 {
 437         /*
 438          * Set TXpower.
 439          */
 440         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 441
 442         /*
 443          * For RT2525E we should first set the channel to half band higher.
 444          */
 445         if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
 446                 static const u32 vals[] = {
 447                         0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
 448                         0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
 449                         0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
 450                         0x00000902, 0x00000906
 451                 };
 452
 453                 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 454                 if (rf->rf4)
 455                         rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 456         }
 457
 458         rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
 459         rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
 460         rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
 461         if (rf->rf4)
 462                 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 463 }
 464
 465 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 466                                      const int txpower)
 467 {
 468         u32 rf3;
 469
 470         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 471         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 472         rt2500usb_rf_write(rt2x00dev, 3, rf3);
 473 }
 474
 475 static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
 476                                      struct antenna_setup *ant)
 477 {
 478         u8 r2;
 479         u8 r14;
 480         u16 csr5;
 481         u16 csr6;
 482
 483         /*
 484          * We should never come here because rt2x00lib is supposed
 485          * to catch this and send us the correct antenna explicitely.
 486          */
 487         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 488                ant->tx == ANTENNA_SW_DIVERSITY);
 489
 490         rt2500usb_bbp_read(rt2x00dev, 2, &r2);
 491         rt2500usb_bbp_read(rt2x00dev, 14, &r14);
 492         rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
 493         rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
 494
 495         /*
 496          * Configure the TX antenna.
 497          */
 498         switch (ant->tx) {
 499         case ANTENNA_HW_DIVERSITY:
 500                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
 501                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
 502                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
 503                 break;
 504         case ANTENNA_A:
 505                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 506                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
 507                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
 508                 break;
 509         case ANTENNA_B:
 510         default:
 511                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 512                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
 513                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
 514                 break;
 515         }
 516
 517         /*
 518          * Configure the RX antenna.
 519          */
 520         switch (ant->rx) {
 521         case ANTENNA_HW_DIVERSITY:
 522                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
 523                 break;
 524         case ANTENNA_A:
 525                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 526                 break;
 527         case ANTENNA_B:
 528         default:
 529                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 530                 break;
 531         }
 532
 533         /*
 534          * RT2525E and RT5222 need to flip TX I/Q
 535          */
 536         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 537             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 538                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 539                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
 540                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
 541
 542                 /*
 543                  * RT2525E does not need RX I/Q Flip.
 544                  */
 545                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 546                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 547         } else {
 548                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
 549                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
 550         }
 551
 552         rt2500usb_bbp_write(rt2x00dev, 2, r2);
 553         rt2500usb_bbp_write(rt2x00dev, 14, r14);
 554         rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
 555         rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 556 }
 557
 558 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
 559                                       struct rt2x00lib_conf *libconf)
 560 {
 561         u16 reg;
 562
 563         rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
 564         rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
 565         rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
 566
 567         rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 568         rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
 569                            libconf->conf->beacon_int * 4);
 570         rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 571 }
 572
 573 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 574                              struct rt2x00lib_conf *libconf,
 575                              const unsigned int flags)
 576 {
 577         if (flags & CONFIG_UPDATE_PHYMODE)
 578                 rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
 579         if (flags & CONFIG_UPDATE_CHANNEL)
 580                 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 581                                          libconf->conf->power_level);
 582         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 583                 rt2500usb_config_txpower(rt2x00dev,
 584                                          libconf->conf->power_level);
 585         if (flags & CONFIG_UPDATE_ANTENNA)
 586                 rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
 587         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 588                 rt2500usb_config_duration(rt2x00dev, libconf);
 589 }
 590
 591 /*
 592  * Link tuning
 593  */
 594 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
 595                                  struct link_qual *qual)
 596 {
 597         u16 reg;
 598
 599         /*
 600          * Update FCS error count from register.
 601          */
 602         rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
 603         qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
 604
 605         /*
 606          * Update False CCA count from register.
 607          */
 608         rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
 609         qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
 610 }
 611
 612 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
 613 {
 614         u16 eeprom;
 615         u16 value;
 616
 617         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
 618         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
 619         rt2500usb_bbp_write(rt2x00dev, 24, value);
 620
 621         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
 622         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
 623         rt2500usb_bbp_write(rt2x00dev, 25, value);
 624
 625         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
 626         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
 627         rt2500usb_bbp_write(rt2x00dev, 61, value);
 628
 629         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
 630         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
 631         rt2500usb_bbp_write(rt2x00dev, 17, value);
 632
 633         rt2x00dev->link.vgc_level = value;
 634 }
 635
 636 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
 637 {
 638         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 639         u16 bbp_thresh;
 640         u16 vgc_bound;
 641         u16 sens;
 642         u16 r24;
 643         u16 r25;
 644         u16 r61;
 645         u16 r17_sens;
 646         u8 r17;
 647         u8 up_bound;
 648         u8 low_bound;
 649
 650         /*
 651          * Read current r17 value, as well as the sensitivity values
 652          * for the r17 register.
 653          */
 654         rt2500usb_bbp_read(rt2x00dev, 17, &r17);
 655         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
 656
 657         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
 658         up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
 659         low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
 660
 661         /*
 662          * If we are not associated, we should go straight to the
 663          * dynamic CCA tuning.
 664          */
 665         if (!rt2x00dev->intf_associated)
 666                 goto dynamic_cca_tune;
 667
 668         /*
 669          * Determine the BBP tuning threshold and correctly
 670          * set BBP 24, 25 and 61.
 671          */
 672         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
 673         bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
 674
 675         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
 676         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
 677         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
 678
 679         if ((rssi + bbp_thresh) > 0) {
 680                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
 681                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
 682                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
 683         } else {
 684                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
 685                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
 686                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
 687         }
 688
 689         rt2500usb_bbp_write(rt2x00dev, 24, r24);
 690         rt2500usb_bbp_write(rt2x00dev, 25, r25);
 691         rt2500usb_bbp_write(rt2x00dev, 61, r61);
 692
 693         /*
 694          * A too low RSSI will cause too much false CCA which will
 695          * then corrupt the R17 tuning. To remidy this the tuning should
 696          * be stopped (While making sure the R17 value will not exceed limits)
 697          */
 698         if (rssi >= -40) {
 699                 if (r17 != 0x60)
 700                         rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
 701                 return;
 702         }
 703
 704         /*
 705          * Special big-R17 for short distance
 706          */
 707         if (rssi >= -58) {
 708                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
 709                 if (r17 != sens)
 710                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 711                 return;
 712         }
 713
 714         /*
 715          * Special mid-R17 for middle distance
 716          */
 717         if (rssi >= -74) {
 718                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
 719                 if (r17 != sens)
 720                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 721                 return;
 722         }
 723
 724         /*
 725          * Leave short or middle distance condition, restore r17
 726          * to the dynamic tuning range.
 727          */
 728         low_bound = 0x32;
 729         if (rssi < -77)
 730                 up_bound -= (-77 - rssi);
 731
 732         if (up_bound < low_bound)
 733                 up_bound = low_bound;
 734
 735         if (r17 > up_bound) {
 736                 rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
 737                 rt2x00dev->link.vgc_level = up_bound;
 738                 return;
 739         }
 740
 741 dynamic_cca_tune:
 742
 743         /*
 744          * R17 is inside the dynamic tuning range,
 745          * start tuning the link based on the false cca counter.
 746          */
 747         if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
 748                 rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
 749                 rt2x00dev->link.vgc_level = r17;
 750         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
 751                 rt2500usb_bbp_write(rt2x00dev, 17, --r17);
 752                 rt2x00dev->link.vgc_level = r17;
 753         }
 754 }
 755
 756 /*
 757  * Initialization functions.
 758  */
 759 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 760 {
 761         u16 reg;
 762
 763         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
 764                                     USB_MODE_TEST, REGISTER_TIMEOUT);
 765         rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
 766                                     0x00f0, REGISTER_TIMEOUT);
 767
 768         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 769         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
 770         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 771
 772         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
 773         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
 774
 775         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 776         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
 777         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
 778         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 779         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 780
 781         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 782         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 783         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 784         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 785         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 786
 787         rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
 788         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
 789         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
 790         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
 791         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
 792         rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
 793
 794         rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
 795         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
 796         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
 797         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
 798         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
 799         rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
 800
 801         rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 802         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
 803         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
 804         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
 805         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
 806         rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 807
 808         rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 809         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
 810         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
 811         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
 812         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 813         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 814
 815         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 816         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
 817         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
 818         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
 819         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
 820         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 821
 822         rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 823         rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 824
 825         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 826                 return -EBUSY;
 827
 828         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 829         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 830         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 831         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
 832         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 833
 834         if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
 835                 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
 836                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
 837         } else {
 838                 reg = 0;
 839                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
 840                 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
 841         }
 842         rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
 843
 844         rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
 845         rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
 846         rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
 847         rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
 848
 849         rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 850         rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
 851                            rt2x00dev->rx->data_size);
 852         rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
 853
 854         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 855         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 856         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
 857         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 858
 859         rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 860         rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
 861         rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 862
 863         rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 864         rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
 865         rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
 866
 867         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 868         rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
 869         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 870
 871         return 0;
 872 }
 873
 874 static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 875 {
 876         unsigned int i;
 877         u8 value;
 878
 879         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 880                 rt2500usb_bbp_read(rt2x00dev, 0, &value);
 881                 if ((value != 0xff) && (value != 0x00))
 882                         return 0;
 883                 udelay(REGISTER_BUSY_DELAY);
 884         }
 885
 886         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 887         return -EACCES;
 888 }
 889
 890 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 891 {
 892         unsigned int i;
 893         u16 eeprom;
 894         u8 value;
 895         u8 reg_id;
 896
 897         if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev)))
 898                 return -EACCES;
 899
 900         rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 901         rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 902         rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
 903         rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
 904         rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
 905         rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
 906         rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
 907         rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
 908         rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
 909         rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
 910         rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
 911         rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
 912         rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
 913         rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
 914         rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
 915         rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
 916         rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
 917         rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
 918         rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
 919         rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
 920         rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
 921         rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
 922         rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
 923         rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
 924         rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
 925         rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
 926         rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
 927         rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
 928         rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
 929         rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
 930         rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
 931
 932         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 933                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 934
 935                 if (eeprom != 0xffff && eeprom != 0x0000) {
 936                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 937                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 938                         rt2500usb_bbp_write(rt2x00dev, reg_id, value);
 939                 }
 940         }
 941
 942         return 0;
 943 }
 944
 945 /*
 946  * Device state switch handlers.
 947  */
 948 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 949                                 enum dev_state state)
 950 {
 951         u16 reg;
 952
 953         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 954         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
 955                            (state == STATE_RADIO_RX_OFF) ||
 956                            (state == STATE_RADIO_RX_OFF_LINK));
 957         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 958 }
 959
 960 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 961 {
 962         /*
 963          * Initialize all registers.
 964          */
 965         if (unlikely(rt2500usb_init_registers(rt2x00dev) ||
 966                      rt2500usb_init_bbp(rt2x00dev)))
 967                 return -EIO;
 968
 969         return 0;
 970 }
 971
 972 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 973 {
 974         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
 975         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
 976
 977         /*
 978          * Disable synchronisation.
 979          */
 980         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 981
 982         rt2x00usb_disable_radio(rt2x00dev);
 983 }
 984
 985 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 986                                enum dev_state state)
 987 {
 988         u16 reg;
 989         u16 reg2;
 990         unsigned int i;
 991         char put_to_sleep;
 992         char bbp_state;
 993         char rf_state;
 994
 995         put_to_sleep = (state != STATE_AWAKE);
 996
 997         reg = 0;
 998         rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
 999         rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
1000         rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
1001         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1002         rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
1003         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1004
1005         /*
1006          * Device is not guaranteed to be in the requested state yet.
1007          * We must wait until the register indicates that the
1008          * device has entered the correct state.
1009          */
1010         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1011                 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
1012                 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
1013                 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
1014                 if (bbp_state == state && rf_state == state)
1015                         return 0;
1016                 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1017                 msleep(30);
1018         }
1019
1020         return -EBUSY;
1021 }
1022
1023 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1024                                       enum dev_state state)
1025 {
1026         int retval = 0;
1027
1028         switch (state) {
1029         case STATE_RADIO_ON:
1030                 retval = rt2500usb_enable_radio(rt2x00dev);
1031                 break;
1032         case STATE_RADIO_OFF:
1033                 rt2500usb_disable_radio(rt2x00dev);
1034                 break;
1035         case STATE_RADIO_RX_ON:
1036         case STATE_RADIO_RX_ON_LINK:
1037         case STATE_RADIO_RX_OFF:
1038         case STATE_RADIO_RX_OFF_LINK:
1039                 rt2500usb_toggle_rx(rt2x00dev, state);
1040                 break;
1041         case STATE_RADIO_IRQ_ON:
1042         case STATE_RADIO_IRQ_OFF:
1043                 /* No support, but no error either */
1044                 break;
1045         case STATE_DEEP_SLEEP:
1046         case STATE_SLEEP:
1047         case STATE_STANDBY:
1048         case STATE_AWAKE:
1049                 retval = rt2500usb_set_state(rt2x00dev, state);
1050                 break;
1051         default:
1052                 retval = -ENOTSUPP;
1053                 break;
1054         }
1055
1056         if (unlikely(retval))
1057                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1058                       state, retval);
1059
1060         return retval;
1061 }
1062
1063 /*
1064  * TX descriptor initialization
1065  */
1066 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1067                                     struct sk_buff *skb,
1068                                     struct txentry_desc *txdesc)
1069 {
1070         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1071         __le32 *txd = skbdesc->desc;
1072         u32 word;
1073
1074         /*
1075          * Start writing the descriptor words.
1076          */
1077         rt2x00_desc_read(txd, 1, &word);
1078         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1079         rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1080         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1081         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1082         rt2x00_desc_write(txd, 1, word);
1083
1084         rt2x00_desc_read(txd, 2, &word);
1085         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1086         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1087         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1088         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1089         rt2x00_desc_write(txd, 2, word);
1090
1091         rt2x00_desc_read(txd, 0, &word);
1092         rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
1093         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1094                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1095         rt2x00_set_field32(&word, TXD_W0_ACK,
1096                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1097         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1098                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1099         rt2x00_set_field32(&word, TXD_W0_OFDM,
1100                            test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1101         rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1102                            test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
1103         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1104         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT,
1105                            skb->len - skbdesc->desc_len);
1106         rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
1107         rt2x00_desc_write(txd, 0, word);
1108 }
1109
1110 /*
1111  * TX data initialization
1112  */
1113 static void rt2500usb_beacondone(struct urb *urb);
1114
1115 static void rt2500usb_write_beacon(struct queue_entry *entry)
1116 {
1117         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1118         struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
1119         struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1120         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1121         int pipe = usb_sndbulkpipe(usb_dev, 1);
1122         int length;
1123         u16 reg;
1124         u32 word, len;
1125
1126         /*
1127          * Add the descriptor in front of the skb.
1128          */
1129         skb_push(entry->skb, entry->queue->desc_size);
1130         memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
1131         skbdesc->desc = entry->skb->data;
1132
1133         /*
1134          * Adjust the beacon databyte count. The current number is
1135          * calculated before this function gets called, but falsely
1136          * assumes that the descriptor was already present in the SKB.
1137          */
1138         rt2x00_desc_read(skbdesc->desc, 0, &word);
1139         len  = rt2x00_get_field32(word, TXD_W0_DATABYTE_COUNT);
1140         len += skbdesc->desc_len;
1141         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, len);
1142         rt2x00_desc_write(skbdesc->desc, 0, word);
1143
1144         /*
1145          * Disable beaconing while we are reloading the beacon data,
1146          * otherwise we might be sending out invalid data.
1147          */
1148         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1149         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
1150         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
1151         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1152         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1153
1154         /*
1155          * USB devices cannot blindly pass the skb->len as the
1156          * length of the data to usb_fill_bulk_urb. Pass the skb
1157          * to the driver to determine what the length should be.
1158          */
1159         length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev, entry->skb);
1160
1161         usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
1162                           entry->skb->data, length, rt2500usb_beacondone,
1163                           entry);
1164
1165         /*
1166          * Second we need to create the guardian byte.
1167          * We only need a single byte, so lets recycle
1168          * the 'flags' field we are not using for beacons.
1169          */
1170         bcn_priv->guardian_data = 0;
1171         usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe,
1172                           &bcn_priv->guardian_data, 1, rt2500usb_beacondone,
1173                           entry);
1174
1175         /*
1176          * Send out the guardian byte.
1177          */
1178         usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
1179 }
1180
1181 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1182                                      struct sk_buff *skb)
1183 {
1184         int length;
1185
1186         /*
1187          * The length _must_ be a multiple of 2,
1188          * but it must _not_ be a multiple of the USB packet size.
1189          */
1190         length = roundup(skb->len, 2);
1191         length += (2 * !(length % rt2x00dev->usb_maxpacket));
1192
1193         return length;
1194 }
1195
1196 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1197                                     const enum data_queue_qid queue)
1198 {
1199         u16 reg;
1200
1201         if (queue != QID_BEACON) {
1202                 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
1203                 return;
1204         }
1205
1206         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1207         if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1208                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1209                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1210                 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1211                 /*
1212                  * Beacon generation will fail initially.
1213                  * To prevent this we need to register the TXRX_CSR19
1214                  * register several times.
1215                  */
1216                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1217                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1218                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1219                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1220                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1221         }
1222 }
1223
1224 /*
1225  * RX control handlers
1226  */
1227 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1228                                   struct rxdone_entry_desc *rxdesc)
1229 {
1230         struct queue_entry_priv_usb *entry_priv = entry->priv_data;
1231         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1232         __le32 *rxd =
1233             (__le32 *)(entry->skb->data +
1234                        (entry_priv->urb->actual_length -
1235                         entry->queue->desc_size));
1236         u32 word0;
1237         u32 word1;
1238
1239         /*
1240          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1241          * frame data in rt2x00usb.
1242          */
1243         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1244         rxd = (__le32 *)skbdesc->desc;
1245
1246         /*
1247          * It is now safe to read the descriptor on all architectures.
1248          */
1249         rt2x00_desc_read(rxd, 0, &word0);
1250         rt2x00_desc_read(rxd, 1, &word1);
1251
1252         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1253                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1254         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1255                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1256
1257         /*
1258          * Obtain the status about this packet.
1259          * When frame was received with an OFDM bitrate,
1260          * the signal is the PLCP value. If it was received with
1261          * a CCK bitrate the signal is the rate in 100kbit/s.
1262          */
1263         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1264         rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
1265             entry->queue->rt2x00dev->rssi_offset;
1266         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1267
1268         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1269                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1270         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1271                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1272
1273         /*
1274          * Adjust the skb memory window to the frame boundaries.
1275          */
1276         skb_trim(entry->skb, rxdesc->size);
1277 }
1278
1279 /*
1280  * Interrupt functions.
1281  */
1282 static void rt2500usb_beacondone(struct urb *urb)
1283 {
1284         struct queue_entry *entry = (struct queue_entry *)urb->context;
1285         struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
1286
1287         if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1288                 return;
1289
1290         /*
1291          * Check if this was the guardian beacon,
1292          * if that was the case we need to send the real beacon now.
1293          * Otherwise we should free the sk_buffer, the device
1294          * should be doing the rest of the work now.
1295          */
1296         if (bcn_priv->guardian_urb == urb) {
1297                 usb_submit_urb(bcn_priv->urb, GFP_ATOMIC);
1298         } else if (bcn_priv->urb == urb) {
1299                 dev_kfree_skb(entry->skb);
1300                 entry->skb = NULL;
1301         }
1302 }
1303
1304 /*
1305  * Device probe functions.
1306  */
1307 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1308 {
1309         u16 word;
1310         u8 *mac;
1311         u8 bbp;
1312
1313         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1314
1315         /*
1316          * Start validation of the data that has been read.
1317          */
1318         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1319         if (!is_valid_ether_addr(mac)) {
1320                 DECLARE_MAC_BUF(macbuf);
1321
1322                 random_ether_addr(mac);
1323                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1324         }
1325
1326         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1327         if (word == 0xffff) {
1328                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1329                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1330                                    ANTENNA_SW_DIVERSITY);
1331                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1332                                    ANTENNA_SW_DIVERSITY);
1333                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1334                                    LED_MODE_DEFAULT);
1335                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1336                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1337                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1338                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1339                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1340         }
1341
1342         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1343         if (word == 0xffff) {
1344                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1345                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1346                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1347                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1348                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1349         }
1350
1351         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1352         if (word == 0xffff) {
1353                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1354                                    DEFAULT_RSSI_OFFSET);
1355                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1356                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1357         }
1358
1359         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1360         if (word == 0xffff) {
1361                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1362                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1363                 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1364         }
1365
1366         /*
1367          * Switch lower vgc bound to current BBP R17 value,
1368          * lower the value a bit for better quality.
1369          */
1370         rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1371         bbp -= 6;
1372
1373         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1374         if (word == 0xffff) {
1375                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1376                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1377                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1378                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1379         }
1380
1381         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1382         if (word == 0xffff) {
1383                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1384                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1385                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1386                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1387         } else {
1388                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1389                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1390         }
1391
1392         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1393         if (word == 0xffff) {
1394                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1395                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1396                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1397                 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1398         }
1399
1400         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1401         if (word == 0xffff) {
1402                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1403                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1404                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1405                 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1406         }
1407
1408         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1409         if (word == 0xffff) {
1410                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1411                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1412                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1413                 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1414         }
1415
1416         return 0;
1417 }
1418
1419 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1420 {
1421         u16 reg;
1422         u16 value;
1423         u16 eeprom;
1424
1425         /*
1426          * Read EEPROM word for configuration.
1427          */
1428         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1429
1430         /*
1431          * Identify RF chipset.
1432          */
1433         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1434         rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1435         rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1436
1437         if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
1438                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1439                 return -ENODEV;
1440         }
1441
1442         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1443             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1444             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1445             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1446             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1447             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1448                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1449                 return -ENODEV;
1450         }
1451
1452         /*
1453          * Identify default antenna configuration.
1454          */
1455         rt2x00dev->default_ant.tx =
1456             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1457         rt2x00dev->default_ant.rx =
1458             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1459
1460         /*
1461          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1462          * I am not 100% sure about this, but the legacy drivers do not
1463          * indicate antenna swapping in software is required when
1464          * diversity is enabled.
1465          */
1466         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1467                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1468         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1469                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1470
1471         /*
1472          * Store led mode, for correct led behaviour.
1473          */
1474 #ifdef CONFIG_RT2500USB_LEDS
1475         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1476
1477         rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1478         if (value == LED_MODE_TXRX_ACTIVITY)
1479                 rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1480                                    LED_TYPE_ACTIVITY);
1481 #endif /* CONFIG_RT2500USB_LEDS */
1482
1483         /*
1484          * Check if the BBP tuning should be disabled.
1485          */
1486         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1487         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1488                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1489
1490         /*
1491          * Read the RSSI <-> dBm offset information.
1492          */
1493         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1494         rt2x00dev->rssi_offset =
1495             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1496
1497         return 0;
1498 }
1499
1500 /*
1501  * RF value list for RF2522
1502  * Supports: 2.4 GHz
1503  */
1504 static const struct rf_channel rf_vals_bg_2522[] = {
1505         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1506         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1507         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1508         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1509         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1510         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1511         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1512         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1513         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1514         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1515         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1516         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1517         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1518         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1519 };
1520
1521 /*
1522  * RF value list for RF2523
1523  * Supports: 2.4 GHz
1524  */
1525 static const struct rf_channel rf_vals_bg_2523[] = {
1526         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1527         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1528         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1529         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1530         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1531         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1532         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1533         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1534         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1535         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1536         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1537         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1538         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1539         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1540 };
1541
1542 /*
1543  * RF value list for RF2524
1544  * Supports: 2.4 GHz
1545  */
1546 static const struct rf_channel rf_vals_bg_2524[] = {
1547         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1548         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1549         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1550         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1551         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1552         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1553         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1554         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1555         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1556         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1557         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1558         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1559         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1560         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1561 };
1562
1563 /*
1564  * RF value list for RF2525
1565  * Supports: 2.4 GHz
1566  */
1567 static const struct rf_channel rf_vals_bg_2525[] = {
1568         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1569         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1570         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1571         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1572         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1573         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1574         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1575         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1576         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1577         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1578         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1579         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1580         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1581         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1582 };
1583
1584 /*
1585  * RF value list for RF2525e
1586  * Supports: 2.4 GHz
1587  */
1588 static const struct rf_channel rf_vals_bg_2525e[] = {
1589         { 1,  0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1590         { 2,  0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1591         { 3,  0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1592         { 4,  0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1593         { 5,  0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1594         { 6,  0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1595         { 7,  0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1596         { 8,  0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1597         { 9,  0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1598         { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1599         { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1600         { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1601         { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1602         { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1603 };
1604
1605 /*
1606  * RF value list for RF5222
1607  * Supports: 2.4 GHz & 5.2 GHz
1608  */
1609 static const struct rf_channel rf_vals_5222[] = {
1610         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1611         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1612         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1613         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1614         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1615         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1616         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1617         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1618         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1619         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1620         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1621         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1622         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1623         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1624
1625         /* 802.11 UNI / HyperLan 2 */
1626         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1627         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1628         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1629         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1630         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1631         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1632         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1633         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1634
1635         /* 802.11 HyperLan 2 */
1636         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1637         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1638         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1639         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1640         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1641         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1642         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1643         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1644         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1645         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1646
1647         /* 802.11 UNII */
1648         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1649         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1650         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1651         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1652         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1653 };
1654
1655 static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1656 {
1657         struct hw_mode_spec *spec = &rt2x00dev->spec;
1658         u8 *txpower;
1659         unsigned int i;
1660
1661         /*
1662          * Initialize all hw fields.
1663          */
1664         rt2x00dev->hw->flags =
1665             IEEE80211_HW_RX_INCLUDES_FCS |
1666             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
1667             IEEE80211_HW_SIGNAL_DBM;
1668
1669         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1670
1671         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
1672         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1673                                 rt2x00_eeprom_addr(rt2x00dev,
1674                                                    EEPROM_MAC_ADDR_0));
1675
1676         /*
1677          * Convert tx_power array in eeprom.
1678          */
1679         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1680         for (i = 0; i < 14; i++)
1681                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1682
1683         /*
1684          * Initialize hw_mode information.
1685          */
1686         spec->supported_bands = SUPPORT_BAND_2GHZ;
1687         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1688         spec->tx_power_a = NULL;
1689         spec->tx_power_bg = txpower;
1690         spec->tx_power_default = DEFAULT_TXPOWER;
1691
1692         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1693                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1694                 spec->channels = rf_vals_bg_2522;
1695         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1696                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1697                 spec->channels = rf_vals_bg_2523;
1698         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1699                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1700                 spec->channels = rf_vals_bg_2524;
1701         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1702                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1703                 spec->channels = rf_vals_bg_2525;
1704         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1705                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1706                 spec->channels = rf_vals_bg_2525e;
1707         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1708                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1709                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1710                 spec->channels = rf_vals_5222;
1711         }
1712 }
1713
1714 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1715 {
1716         int retval;
1717
1718         /*
1719          * Allocate eeprom data.
1720          */
1721         retval = rt2500usb_validate_eeprom(rt2x00dev);
1722         if (retval)
1723                 return retval;
1724
1725         retval = rt2500usb_init_eeprom(rt2x00dev);
1726         if (retval)
1727                 return retval;
1728
1729         /*
1730          * Initialize hw specifications.
1731          */
1732         rt2500usb_probe_hw_mode(rt2x00dev);
1733
1734         /*
1735          * This device requires the atim queue
1736          */
1737         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1738         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1739         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
1740
1741         /*
1742          * Set the rssi offset.
1743          */
1744         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1745
1746         return 0;
1747 }
1748
1749 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1750         .tx                     = rt2x00mac_tx,
1751         .start                  = rt2x00mac_start,
1752         .stop                   = rt2x00mac_stop,
1753         .add_interface          = rt2x00mac_add_interface,
1754         .remove_interface       = rt2x00mac_remove_interface,
1755         .config                 = rt2x00mac_config,
1756         .config_interface       = rt2x00mac_config_interface,
1757         .configure_filter       = rt2x00mac_configure_filter,
1758         .get_stats              = rt2x00mac_get_stats,
1759         .bss_info_changed       = rt2x00mac_bss_info_changed,
1760         .conf_tx                = rt2x00mac_conf_tx,
1761         .get_tx_stats           = rt2x00mac_get_tx_stats,
1762 };
1763
1764 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1765         .probe_hw               = rt2500usb_probe_hw,
1766         .initialize             = rt2x00usb_initialize,
1767         .uninitialize           = rt2x00usb_uninitialize,
1768         .init_rxentry           = rt2x00usb_init_rxentry,
1769         .init_txentry           = rt2x00usb_init_txentry,
1770         .set_device_state       = rt2500usb_set_device_state,
1771         .link_stats             = rt2500usb_link_stats,
1772         .reset_tuner            = rt2500usb_reset_tuner,
1773         .link_tuner             = rt2500usb_link_tuner,
1774         .write_tx_desc          = rt2500usb_write_tx_desc,
1775         .write_tx_data          = rt2x00usb_write_tx_data,
1776         .write_beacon           = rt2500usb_write_beacon,
1777         .get_tx_data_len        = rt2500usb_get_tx_data_len,
1778         .kick_tx_queue          = rt2500usb_kick_tx_queue,
1779         .fill_rxdone            = rt2500usb_fill_rxdone,
1780         .config_filter          = rt2500usb_config_filter,
1781         .config_intf            = rt2500usb_config_intf,
1782         .config_erp             = rt2500usb_config_erp,
1783         .config                 = rt2500usb_config,
1784 };
1785
1786 static const struct data_queue_desc rt2500usb_queue_rx = {
1787         .entry_num              = RX_ENTRIES,
1788         .data_size              = DATA_FRAME_SIZE,
1789         .desc_size              = RXD_DESC_SIZE,
1790         .priv_size              = sizeof(struct queue_entry_priv_usb),
1791 };
1792
1793 static const struct data_queue_desc rt2500usb_queue_tx = {
1794         .entry_num              = TX_ENTRIES,
1795         .data_size              = DATA_FRAME_SIZE,
1796         .desc_size              = TXD_DESC_SIZE,
1797         .priv_size              = sizeof(struct queue_entry_priv_usb),
1798 };
1799
1800 static const struct data_queue_desc rt2500usb_queue_bcn = {
1801         .entry_num              = BEACON_ENTRIES,
1802         .data_size              = MGMT_FRAME_SIZE,
1803         .desc_size              = TXD_DESC_SIZE,
1804         .priv_size              = sizeof(struct queue_entry_priv_usb_bcn),
1805 };
1806
1807 static const struct data_queue_desc rt2500usb_queue_atim = {
1808         .entry_num              = ATIM_ENTRIES,
1809         .data_size              = DATA_FRAME_SIZE,
1810         .desc_size              = TXD_DESC_SIZE,
1811         .priv_size              = sizeof(struct queue_entry_priv_usb),
1812 };
1813
1814 static const struct rt2x00_ops rt2500usb_ops = {
1815         .name           = KBUILD_MODNAME,
1816         .max_sta_intf   = 1,
1817         .max_ap_intf    = 1,
1818         .eeprom_size    = EEPROM_SIZE,
1819         .rf_size        = RF_SIZE,
1820         .tx_queues      = NUM_TX_QUEUES,
1821         .rx             = &rt2500usb_queue_rx,
1822         .tx             = &rt2500usb_queue_tx,
1823         .bcn            = &rt2500usb_queue_bcn,
1824         .atim           = &rt2500usb_queue_atim,
1825         .lib            = &rt2500usb_rt2x00_ops,
1826         .hw             = &rt2500usb_mac80211_ops,
1827 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1828         .debugfs        = &rt2500usb_rt2x00debug,
1829 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1830 };
1831
1832 /*
1833  * rt2500usb module information.
1834  */
1835 static struct usb_device_id rt2500usb_device_table[] = {
1836         /* ASUS */
1837         { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1838         { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1839         /* Belkin */
1840         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1841         { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1842         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1843         /* Cisco Systems */
1844         { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1845         { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1846         { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1847         /* Conceptronic */
1848         { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1849         /* D-LINK */
1850         { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1851         /* Gigabyte */
1852         { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1853         { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1854         /* Hercules */
1855         { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1856         /* Melco */
1857         { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1858         { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1859         { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1860         { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1861         { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1862         /* MSI */
1863         { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1864         { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1865         { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1866         /* Ralink */
1867         { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1868         { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1869         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1870         { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1871         /* Siemens */
1872         { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1873         /* SMC */
1874         { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1875         /* Spairon */
1876         { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1877         /* Trust */
1878         { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1879         /* Zinwell */
1880         { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1881         { 0, }
1882 };
1883
1884 MODULE_AUTHOR(DRV_PROJECT);
1885 MODULE_VERSION(DRV_VERSION);
1886 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1887 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1888 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1889 MODULE_LICENSE("GPL");
1890
1891 static struct usb_driver rt2500usb_driver = {
1892         .name           = KBUILD_MODNAME,
1893         .id_table       = rt2500usb_device_table,
1894         .probe          = rt2x00usb_probe,
1895         .disconnect     = rt2x00usb_disconnect,
1896         .suspend        = rt2x00usb_suspend,
1897         .resume         = rt2x00usb_resume,
1898 };
1899
1900 static int __init rt2500usb_init(void)
1901 {
1902         return usb_register(&rt2500usb_driver);
1903 }
1904
1905 static void __exit rt2500usb_exit(void)
1906 {
1907         usb_deregister(&rt2500usb_driver);
1908 }
1909
1910 module_init(rt2500usb_init);
1911 module_exit(rt2500usb_exit);